Product name:KMS-80B2
 
Classification:A5.28 ER80S-B2
 
 

  1. Ideal for welding in steel for power generation plants.
  2. It is suitable for welding Cr-Mo steel.
  3. Weld metal contains 1.25%Cr-0.5%Mo

Welding Instruction

 

( 1 ) Clean up the contaminations on the steel. 
( 2 ) High hardenability with air cooling. Preheat and PWHT are required.
( 3 ) Preheat and inter pass temperature: 150~200, PWHT: 690

( 4 ) Please refer to Appendix A.

 

Typical Wire Composition of Weld Metal (wt %)

 

C

Si

Mn

P

S

Cr

Mo

 

0.10

0.60

1.10

0.012

0.015

1.15

0.55

 

 

Typical Chemical Composition of Weld Metal (wt %)

C

Si

Mn

Cr

Mo

0.05

0.62

0.82

1.22

0.55

 

Typical Mechanical Properties of Weld Metal (PWHT:850°Cx2Hr)

 

Tensile Strength

N/mm2(kgf/mm2)

Yield Strength

N/mm2(kgf/mm2)

Elongation

%

 
 

582 (59.4)

469 (47.1)

24

 
 

Size and Suggested Operating Range (AC or DC+)

 

Diameter (mm)

Parameters

0.8

1.0

1.2

 

Short-Circuit Transfer

A

50~90

80~150

              110~180

 

V

16~18

17~20

18~22

 

Spray Transfer

A

120~160

180~230

240~230

 

V

22~26

24~30

26~33

 


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